Propylene glycol is also used "As the killing and preserving agent in pitfall traps, usually used to capture ground beetles" [10].
丙二醇也被认为是隐藏在随身物品中的杀手的代理，习惯于用来捕捉地面上的甲虫[10]。
The invention discloses a composite stabilizing agent for preserving a liquid cellulase, which can preserve the vitality of the cellulase for a long time under the liquid condition.
本发明公开了一种保存液体纤维素酶的复合稳定剂，可以在液体条件下较长时间保存纤维素酶的酶活力。
The invention discloses a composite stabilizing agent for preserving a liquid acid protease, which can preserve the activity of the acid protease for a long time under the liquid condition.
本发明公开了一种保存液体酸性蛋白酶的复合稳定剂，可以在液体条件下较长时间保存酸性蛋白酶的酶活力。
In this paper, the affects of temperature and ultraviolet light on the stability and mildewproof effect of sorbic acid and ethyl-p-hydroxybenzoate used as food preserving agent, was studied.
本文研究了温度和紫外光对食品防腐剂山梨酸、对羟基苯甲酸乙酯的稳定性和防霉效果的影响。
The introduction of compound fresh-preserving agent can prolong the quality guarantee period of the products. But now the reasonable dosage in brine has long been where the key question lies.
引入复合保鲜剂可以延长产品的保质期，但卤煮过程中，其合理用量一直成为瓶颈问题。
The introduction of compound fresh-preserving agent can prolong the quality guarantee period of the products.
引入复合保鲜剂可以延长产品的保质期，但卤煮过程中，其合理用量一直成为瓶颈问题。
The success of this method depends on the cells used, the selection of preserving agent and slow freezing as well as …
成败的重要因素在于选择好冻存用细胞，并掌握好冻存时缓慢降温和复苏时急速融化的速度。
The success of this method depends on the cells used, the selection of preserving agent and slow freezing as well …
成败的重要因素在于选择好冻存用细胞，并掌握好冻存时缓慢降温和复苏时急速融化的速度。
The success of this method depends on the cells used, the selection of preserving agent and slow freezing as well …
成败的重要因素在于选择好冻存用细胞，并掌握好冻存时缓慢降温和复苏时急速融化的速度。
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